people in tokyo keep their fingers crossed for no rain so sumidagawa hanabi taikai one of the major fireworks displays of tokyo goes without without ahitch and thousands of dazzling fire-works can spout skywards along the sumida river the show includes a competition between rival firework companies so expect state-of-the-art pyrotechnics the best viewing locations are the boats on the river but places are limited so most of the spectators head for asakusa's suomida park